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Individual Calculations September 2011 |
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| Hughes, John Lodge Total change: 41.40 | |   |
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| 2011 North American Youth Championship - U16 Open | Tarrytown, New York | USA | 2011-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2071 | 2048 | 3.50 | 4 | 1.65 | 15 | 24.75 | |
|  Kalaydina, Regina-Veronicka | | | 1842 | CAN | 1.00 | 1 | 0.24 | 15 | 3.60 | |  Sen, Samir | | | 2133 | USA | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Chakraborty, Dipro | | | 2150 | USA | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Qin, Ziyi | | | 2159 | CAN | 0.50 | 1 | 0.15 | 15 | 2.25 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 112th Annual US Open | Orlando, Florida | USA | 2011-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2232 | 2049 | 1.50 | 5 | 0.05 | 15 | 0.75 | |
| | Battaglini, Gabriel | m | | 2407 | FRA | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Melekhina, Alisa | f | wm | 2263 | USA | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Meduri, Aakaash | | | 2068 | USA | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Thompson, Nick | | | 2012 | USA | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Ritter, Mark | f | | 2408 | USA | 0.00 | 1 | -0.10 | 15 | -1.50 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 2011 Manhattan Open - Open Section | New York, New York | USA | 2011-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2291 | 2049 | 2.50 | 7 | 1.06 | 15 | 15.90 | |
| | Garcia, Gildardo J | g | | 2368 | COL | 1.00 | 1 | 0.87 | 15 | 13.05 | | | Zhao, Parker B | | | 2382 | USA | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Ostrovskiy, Aleksandr | f | | 2294 | USA | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Bonin, Jay | m | | 2323 | USA | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Zenyuk, Iryna | c | wm | 2222 | USA | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Pressman, Leif A | | | 2280 | USA | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Wang, Lidong | | | 2170 | USA | 1.00 | 1 | 0.66 | 15 | 9.90 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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